*SUPPORT*
IN: gazzer gazzer OUT: PINK PINK
IN: zup kiki gazzer tufa OUT: GREEN RED PINK GREEN RED PINK
IN: lug dax lug OUT: YELLOW YELLOW YELLOW
IN: lug fep zup tufa OUT: GREEN YELLOW GREEN YELLOW
IN: kiki lug OUT: RED YELLOW
IN: gazzer dax lug OUT: YELLOW YELLOW PINK
IN: gazzer OUT: PINK
IN: gazzer zup dax gazzer OUT: PINK PINK PINK GREEN
IN: kiki gazzer tufa OUT: RED PINK RED PINK
IN: zup OUT: GREEN
IN: gazzer lug tufa tufa OUT: PINK YELLOW PINK YELLOW PINK YELLOW PINK YELLOW
IN: gazzer dax gazzer tufa fep kiki OUT: RED PINK PINK PINK PINK PINK PINK
IN: kiki tufa OUT: RED RED
IN: kiki gazzer fep zup dax kiki OUT: RED RED GREEN RED PINK

*QUERY*
IN: zup fep gazzer lug fep kiki OUT: RED PINK YELLOW GREEN
IN: gazzer dax kiki fep lug OUT: YELLOW RED RED PINK
IN: kiki OUT: RED
IN: lug dax zup OUT: GREEN GREEN YELLOW
IN: kiki dax kiki OUT: RED RED RED
IN: zup dax zup OUT: GREEN GREEN GREEN
IN: kiki lug dax zup tufa OUT: RED GREEN GREEN YELLOW RED GREEN GREEN YELLOW
IN: lug OUT: YELLOW
IN: kiki kiki dax kiki OUT: RED RED RED RED
IN: zup lug dax lug OUT: GREEN YELLOW YELLOW YELLOW

*GRAMMAR*
zup -> GREEN 
 kiki -> RED 
 gazzer -> PINK 
 lug -> YELLOW 
 x1 tufa -> [x1] [x1] 
 u1 dax u2 -> [u2] [u2] [u1] 
 x1 fep x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 